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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel.Diagnostics
{
using System.Runtime;
using System.Runtime.CompilerServices;
using System.Runtime.ConstrainedExecution;
using System.Diagnostics;
using System.Threading;
using System.Runtime.InteropServices;
using System.Security;
using System.Security.Permissions;
using System.Diagnostics.CodeAnalysis;
class Utility
{
ExceptionUtility exceptionUtility;
[Obsolete("For SMDiagnostics.dll use only. Call DiagnosticUtility.Utility instead")]
internal Utility(ExceptionUtility exceptionUtility)
{
this.exceptionUtility = exceptionUtility;
}
// Call this when a p/invoke with an 'out SafeHandle' parameter returns an error. This will safely clean up the handle.
[SuppressMessage(FxCop.Category.Security, FxCop.Rule.TransparentMethodsMustNotReferenceCriticalCode)] // we got APTCA approval with no requirement to fix this transparency warning
internal static void CloseInvalidOutSafeHandle(SafeHandle handle)
{
// Workaround for 64-bit CLR bug VSWhidbey 546830 - sometimes invalid SafeHandles come back null.
if (handle != null)
{
#pragma warning disable 618
Fx.Assert(handle.IsInvalid, "CloseInvalidOutSafeHandle called with a valid handle!");
#pragma warning restore 618
// Calls SuppressFinalize.
handle.SetHandleAsInvalid();
}
}
// Copy of the above for CriticalHandles.
[SuppressMessage(FxCop.Category.Security, FxCop.Rule.TransparentMethodsMustNotReferenceCriticalCode)] // we got APTCA approval with no requirement to fix this transparency warning. plus, the callers of this method are not supported in partial trust.
internal static void CloseInvalidOutCriticalHandle(CriticalHandle handle)
{
if (handle != null)
{
#pragma warning disable 618
Fx.Assert(handle.IsInvalid, "CloseInvalidOutCriticalHandle called with a valid handle!");
#pragma warning restore 618
handle.SetHandleAsInvalid();
}
}
internal Guid CreateGuid(string guidString)
{
return Fx.CreateGuid(guidString);
}
internal bool TryCreateGuid(string guidString, out Guid result)
{
return Fx.TryCreateGuid(guidString, out result);
}
internal byte[] AllocateByteArray(int size)
{
return Fx.AllocateByteArray(size);
}
internal char[] AllocateCharArray(int size)
{
return Fx.AllocateCharArray(size);
}
}
}
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